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Re: TNDY Tracker - Tracker Music with SN76489 - Tandy 1000 / Tandy 3 Voice ISA Cards / Tandy / TNDLPT Parallelport Devic

Posted on 2021-07-13, 14:00

First, I would like to say, TNDY Tracker runs great on my Tandy 1000 HX. The only issue I see so far is the SHIFT Home\End doesn't seem to work for volume change. So I just change it per note as required. Not a big deal to me. As for finding programming time, I completely understand. Looking forward …

Re: DOSBox Command Line Error

Posted on 2018-01-12, 23:51

Dominus wrote: It works better if you create configs for the games and use those configs with Dosbox. I tried redirecting the config link to one used in the game folder but must have been doing something wrong. As I didn't want to alter the original config. Any clue, via command line?

Re: DOSBox Scaling is Limited

Posted on 2018-01-11, 15:16

Looks like Elite Plus is actually one of those games: http://nerdlypleasures.blogspot.com/2013/10/320x200-resolution-of-choice-for-ibm-pc.html So is King's Quest V and among other games. Look at the wagon wheels, water wheel, and the font. All stretch at 4:3. It looks better at 320x200 than 320x240 …

Re: DOSBox Scaling is Limited

Posted on 2018-01-11, 08:57

No, It's not... :) Have you read the linked DoomWiki article? Some more info: https://en.wikipedia.org/wiki/Multi-Color_Graphics_Array http://www.vogons.org/viewtopic.php?t=17110 Your mentioned 320x200 CGA mode's pixel aspect ratio is also 1:1.2 not 1:1. It's analogous to CGA mode 640×200 that had …

Re: DOSBox Scaling is Limited

Posted on 2018-01-11, 08:33

Most game's artists designed the graphics intending for that to happen. Non-square pixels. The Doom wiki explains it well. You have stretched nostalgia? :lol: I won't disagree that some developers may have done that. Why, I have no idea other than they thought their game needed to fill the screen. …

Re: DOSBox Scaling is Limited

Posted on 2018-01-11, 08:28

But what is the point of scaling to full screen when it is going to be stretched? Just let it have black bars so it is the correct aspect ratio, is not stretched all funny, and is scaled properly. My thoughts exactly. CGA monitors that I own and have used always had black bars on the top and bottom …

Re: DOSBox Scaling is Limited

Posted on 2018-01-11, 08:24

PS: You also mentioned distortion. To be clear: if you apply pixel perfect scaling to games that use 320x200/Mode 13h video mode you always get distortion since 320x200 is NOT a square-pixel mode. The 320x200 resolution was intended to be aspect ratio corrected to 4/3 (like 320x240 or 640x480) …

Re: DOSBox Scaling is Limited

Posted on 2018-01-11, 06:49

As for fullscreen. Here's an example. If you have a 1080p monitor, then the 320x200 game automatically gets scaled to 1600x1000 in a resolution of 1920x1080, with a right and left pad of 160 and a top and bottom pad of 40. No it doesn't fill the screen but you can not fill a screen with a 320x200 …

DOSBox Scaling is Limited

Posted on 2018-01-11, 06:36

I noticed something about the way DOSBox scales windows and why people have issues getting their games to look good. DOSBox only scales by 2. For example. If your game is 320x200, then you only have two options to scale the window on a 1080p monitor. At least if you want "pixel perfect" scaling. …

Re: Tandy audio accuracy?

Posted on 2017-11-10, 17:44

No problem. 😉 Thanks for writing that up. Specially when you have quirky things like BEEP and SOUND in GW-Basic, all because of how a Tandy was built. It's nice to have a better understanding of how and why it works the way it does.

Re: Tandy audio accuracy?

Posted on 2017-11-09, 21:08

I see now. If I use SOUND OFF, the NOISE function throws an illegal call. So... SOUND OFF only seems to effect the NOISE function and BEEP OFF effects SOUND and PLAY functions. Which is weird. You would think SOUND OFF wouldn't play SOUND 500, 30, 15, 0. Interesting...

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